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$290+ Cheap flights from Seattle (SEA) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
apr. 5 — apr. 121
lør. 4/5
lør. 4/12
1 adult, Economy
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Cheap flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated marts 31, 2025.

Round-trip from

$525
(Scandinavian Airlines)

One-way from

$290
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$742
From Seattle/Tacoma Intl to Spain
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One-way flight from Seattle/Tacoma Intl to Spain
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Highest demand for flights based on searches. 24% potential increase in price ($287 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Seattle to Spain

Cheapest flights from Seattle to Spain
Explore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marts 31, 2025.

This lol.travel deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 5/264:00 pmSEA - AGP
1 stop19h 20mScandinavian Airlines
søn. 6/88:15 pmAGP - SEA
1 stop26h 35mScandinavian Airlines
Deal found 3/31$488
This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 9/14:00 pmSEA - VLC
1 stop16h 00mScandinavian Airlines
tir. 9/305:50 pmVLC - SEA
1 stop29h 10mScandinavian Airlines
Deal found 3/30$493
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 5/1111:55 amSEA - ALC
2 stops38h 20mScandinavian Airlines
tir. 5/202:00 pmALC - SEA
2 stops32h 50mScandinavian Airlines
Deal found 3/30$536
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 9/97:20 amSEA - BCN
2 stops25h 50mScandinavian Airlines
tir. 9/307:00 pmBCN - SEA
1 stop28h 00mScandinavian Airlines
Deal found 3/30$591
This Mytrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 5/143:45 pmSEA - BCN
2 stops16h 25mMultiple Airlines
ons. 5/217:30 amBCN - SEA
2 stops19h 20mMultiple Airlines
Deal found 3/31$592
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 6/14:00 pmSEA - PMI
1 stop32h 05mScandinavian Airlines
fre. 6/139:00 pmPMI - SEA
1 stop25h 50mScandinavian Airlines
Deal found 3/30$600
This Iberia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 12/26:50 pmSEA - MAD
1 stop14h 30mIberia
ons. 12/101:00 pmMAD - SEA
1 stop19h 05mIberia
Deal found 3/30$623
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 11/217:05 pmSEA - MAD
2 stops53h 35mMultiple Airlines
tir. 12/27:25 amMAD - SEA
1 stop14h 55mMultiple Airlines
Deal found 3/29$626
This Orbitz deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 11/46:50 pmSEA - AGP
1 stop31h 10mBritish Airways
fre. 11/1411:45 amAGP - SEA
1 stop14h 10mBritish Airways
Deal found 3/30$626
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 10/268:00 amSEA - BCN
1 stop16h 20mUnited Airlines
fre. 11/77:45 amBCN - SEA
1 stop14h 35mUnited Airlines
Deal found 3/30$630
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 11/106:50 pmSEA - BCN
1 stop16h 00mAmerican Airlines
man. 11/177:55 pmBCN - SEA
1 stop24h 25mAmerican Airlines
Deal found 3/29$631
This Gotogate deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 5/202:20 pmSEA - MAD
2 stops36h 50mScandinavian Airlines
tor. 5/2912:55 pmMAD - SEA
1 stop33h 55mScandinavian Airlines
Deal found 3/30$632

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marts 31, 2025.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Seattle

Fly to

Spain

Route

Depart

Return

Price

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

man. 5/26

4:00 pm-8:20 pm

1 stop19h 20m

Malaga

søn. 6/8

8:15 pm-1:50 pm

1 stop26h 35m

$488

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

man. 9/1

4:00 pm-5:00 pm

1 stop16h 00m

Valencia

tir. 9/30

5:50 pm-2:00 pm

1 stop29h 10m

$493

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

søn. 5/11

11:55 am-11:15 am

2 stops38h 20m

Alicante

tir. 5/20

2:00 pm-1:50 pm

2 stops32h 50m

$536

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

tir. 9/9

7:20 am-6:10 pm

2 stops25h 50m

Barcelona-El Prat

tir. 9/30

7:00 pm-2:00 pm

1 stop28h 00m

$591

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

ons. 5/14

3:45 pm-5:10 pm

2 stops16h 25m

Barcelona-El Prat

ons. 5/21

7:30 am-5:50 pm

2 stops19h 20m

$592

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

søn. 6/1

4:00 pm-9:05 am

1 stop32h 05m

Palma de Mallorca Son Sant Joan

lør. 6/7

8:15 pm-1:50 pm

1 stop26h 35m

$600

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

man. 4/28

5:05 pm-9:55 pm

1 stop19h 50m

Madrid Barajas

tir. 5/20

7:05 am-3:05 pm

1 stop17h 00m

$631

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

tir. 5/13

2:05 pm-12:25 pm

1 stop13h 20m

Barcelona-El Prat

ons. 5/21

2:25 pm-8:28 pm

1 stop15h 03m

$665

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

ons. 5/14

3:45 pm-8:30 am

3 stops31h 45m

Malaga

tir. 5/20

10:55 pm-8:40 pm

3 stops30h 45m

$678

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

tor. 9/11

7:10 pm-10:25 am

1 stop30h 15m

Madrid Barajas

fre. 9/26

6:20 pm-10:35 am

1 stop25h 15m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Spain

What is the cheapest month to book a flight from Seattle to Spain?

Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to ES?

Find hourly flight availability from Seattle to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marts 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Spain as you normally would.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated marts 31, 2025.
Read through reviews of airlines operating flights from Seattle to Spain, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
770 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Spain?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Spain.

  • What are the cheapest airlines to fly from Seattle to Spain one-way?

    One-way options have recently been found by users for as low as $437 on Scandinavian Airlines. Other airlines that offer cheap prices include WestJet from $471 and Turkish Airlines from $472 one-way.

  • What are the most popular routes from Seattle to Spain?

    The most popular flight routes from Seattle to Spain are Seattle/Tacoma Intl - Barcelona-El Prat, Seattle/Tacoma Intl - Madrid Barajas and Seattle/Tacoma Intl - Valencia.

  • Can I find deals for flights from Seattle to Spain that include hotel bookings?

    Yes. In addition to deals on Seattle to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Spain.

  • Can I find deals for business class flights from Seattle to Spain?

    Yes. Cheapflights offers flight deals from Seattle to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Spain?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Spain

Discover the top 10 airlines that operate flights from Seattle to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marts 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$651FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$906FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$475Average$596FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$502Average$916FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$527Average$1,063FlexibilityNo cancel feeOn-time75%
IberiaCheapest$564Average$835FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$582Average$1,114FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$587Average$962FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$588Average$1,075FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$590Average$1,041FlexibilityNo cancel feeOn-time67%
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